Download iPhone 6 Plus IPSW firmware iOS 8.x

Apple iPhone 6 Plus was released in September 2014. With iOS 8 upgradeable to iOS 8.3. This post contains the direct links for downloading all available firmware versions for your iPhone 6 Plus. These are particularly useful if you want to downgrade or restore your iOS device.

Using these you can restore any iPhone 6 Plus to the following iOS firmwares: iOS 8.1 (12B411), iOS 8.1.1 (12B435), iOS 8.1.2 (12B440), iOS 8.1.3 (12B466), iOS 8.2 (12D508) and iOS 8.3 (12F70). To downgrade your iOS device you can use Downgrade iOS 8 using Pangu.

You can use the next files with any restore tool. The process is completely secure since the files are hosted directly in Apple servers and are the same used for restores using iTunes.